Mission 2 - Scrolling LEDs
 DuinoKit Essentials   Started by Daniel Alich   2017-06-27 21:48:51 -04:00   Comments: 1    Viewed: 434

  1. Daniel Alich
    Daniel Alich Member Staff Member




    /*
    Loop
    * Lights multiple LEDs in sequence, then in reverse. Demonstrates
    the use of a for() loop and arrays.
    * http://www.arduino.cc/en/Tutorial/Loop
    */
    int timer = 50; // The higher the number, the slower the timing.
    int pins[] = { 2, 3, 4, 5, 6, 7,8,9,10,11 }; // an array of pin numbers ADDED additional pin numbers 8-11 here
    int num_pins = 10; // the number of pins (i.e. the length of the array) Changed to 10

    void setup()
    {
    int i;

    for (i = 0; i < num_pins; i++) // the array elements are numbered from 0 to num_pins - 1
    pinMode(pins[i], OUTPUT); // set each pin as an output
    }

    void loop()
    {
    int i;
    timer=map(analogRead(A0),0,1023,1,50); // The Map function
    for (i = 0; i < num_pins; i++) { // loop through each pin...
    digitalWrite(pins[i], HIGH); // turning it on,
    delay(timer); // pausing,
    digitalWrite(pins[i], LOW); // and turning it off.
    }
    for (i = num_pins - 1; i >= 0; i--) {
    digitalWrite(pins[i], HIGH);
    delay(timer);
    digitalWrite(pins[i], LOW);
    }
    }
    Daniel Alich, 2017-06-27 21:48:51 -04:00
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